1

Not without symptoms:
If you are not having symptoms, I don't think you even need an MRI. It's just wasting time & money going after an incidental finding. Most brain cysts are benign. If they were expanding, you would have neurologic symptoms (headache, vision probs). What prompted the MRI in the 1st place? Discuss with your primary doc or use HealthTap Prime to get advice from someone who knows your medical history.
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Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! The image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but often coronal or saggital.
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2

Many things.:
It can detect many conditions. Ct is particulaly good at detecting bleeding in the acute setting and hydrocephalus, and some masses. It's not nearly as good as MRI for looking at small structures and white matter disease. Both ct and MRI are usually more sensetive and specific when contrast is given.
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3

No worries:
A couple of head CT scans does not cause brain cancer, eye cancer, nose cancer, throat cancer, ear cancer, neck cancer, thyroid cancer, or any other cancer. No worries. That said, a head CT is sometimes used to look for a cancer tumor. That means although a head CT does not cause cancer, the scan can cause you to find the cancer you were looking for, if you were suspecting and looking for a tumor.
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8

MRI:
Mri aren't using ionizing radiation so don't have the radiation risks of other imaging like x-rays and cts. You'd still want to be sure that the MRI is needed, and discuss with the ordering physician what information is hoped to be gained from a repeat imaging procedure.
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9

Negligible:
Two CT scans will not raise your risk to a measurable level, above your background risk.For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.
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11

Brain tumor:
Chances are low. However, new symptoms should be investigated with adequate history and physical examination by your physician. He or she will determine if another diagnostic test or treatment is necessary.
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14

Consult with MD:
You should consult with your doctor. At your age, there are several causes for lightheadedness. Your blood pressure, heart, and possibly your brain may need to be evaluated. Lalso, that could be caused by medications you may be on. Talk to your doctor.
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17

Incidental findings.:
...are found very frequently on CT scans, so it may not be worth being scared about. Your doctor will hopefully explain the finding and what, if anything, to do next. Let me know if you have any more questions about the CT report or the finding.
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19

Get followup:
Hard to say what they saw. Most head cts in the er are with out contrast and limited in what they can see. I would recommend followup with you provider - you probably either need a head ct with contrast or an mri. There can be many benign things picked up on inadequate imaging tests.
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21

Paranasal:
Sounds like the CT scan showed some inflammation in your sinuses, i.e. Sinusitis type picture.... This can cause headaches but radiologist does not clinically exam you so they are saying they do not know from the info they get (migraines) if this is the cause but to consider as a possible cause for your migraines.
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22

Possibly worse than:
If you are still having problems after your initial evaluation. He should be evaluated by a neurologist, where further decisions about additional evaluation can be made
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23

Need Neuro consult:
A good interview and examination by a neurologist is what you really need to determine if you really need further testing given that the imaging studies of the head are normal.
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24

Small increase.:
Your absolute risk went up a little but not a lot. The lifetime risk of CA is about 1/1500 for each head scan. This is about 0.35% increase over baseline risk (which is low but never 0%)
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25

MRI to better:
Evaluate. Ct is a good first step, but a contrast enhanced MRI provides much more information about the degree of enhancement, presence of edema, and is optimal for surgical planning if it is in fact a tumor. If tumor detected, make sure to be evaluated for treatment at a high volume academic hospital as outcomes are tied to experience.
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26

Nerves:
Did your MRI include the upper spinal column? Have you had any blood test, specifically calcium levels? The differential includes: Over-use injury (over use causing local inflammation and irritation of the nerves); a "pinched" or impinged nerve, or it could also be an electrolyte abnormality like low calcium causing the nerves to be more prone to tetanic activity.
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Post Concussion:
If you did have a head injury and concussion, it is not uncommon to have symptoms especially headache and fatigue for some months. Check google to see if there is a concussion treatment specialist or center in your area. The best medicine however is time. Hope this helps. Good luck
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28

No:
First off, the amount of radiation from a head ct is very small. Less than the smiunt you get from the sun and cosmic rays in 1 year. Secondly, even if it were to cause that, it would take many many years.
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30

Possible migraines:
Ct head right thing to do. Should see an eye doctor as well. Your are very young so chance of bleed or tumor is low but symptoms of vision changes are concerning although migraines can give u these symptoms.
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